RNS Number : 9451G

Thomson Reuters PLC

29 October 2008

CONTACTS

Fred Hawrysh Frank Golden

Global Director, Corporate Senior Vice President, Investor

Affairs Relations

1.203 539 8314 1.203 539 8470

fred.hawrysh@thomsonreuters. frank.golden@thomsonreuters.com

com

Victoria Brough

Head of Corporate

Communications, EMEA

+44 (0) 207 542 8763

victoria.brough@

thomsonreuters.com

Thomson Reuters Schedules Third-Quarter 2008 Earnings Announcement and Webcast for Wednesday, November 12, 2008

NEW YORK, NY, October 29, 2008 - Thomson Reuters (NYSE: TRI; TSX: TRI; LSE: TRIL; NASDAQ: TRIN), announced today that its third-quarter 2008 earnings will be issued via news release before the start of NYSE and TSX trading on Wednesday, November 12, 2008.

Thomas H. Glocer, chief executive officer, and Robert D. Daleo, executive vice president and chief financial officer, will host a conference call and simultaneous webcast that morning at 10 AM EST (3 PM GMT). Discussions may include forward-looking information.

You may access the webcast by visiting www.thomsonreuters.com and clicking on 'Investor Relations' at the top of the page and then 'Events & Webcasts' at the left side of the page. Additionally, an archive of the webcast will be available in the Investor Relations section of the Thomson Reuters website.

Thomson Reuters

Thomson Reuters is the world's leading source of intelligent information for businesses and professionals. We combine industry expertise with innovative technology to deliver critical information to leading decision makers in the financial, legal, tax and accounting, scientific, healthcare and media markets, powered by the world's most trusted news organization. With headquarters in New York and major operations in London and Eagan, Minnesota, Thomson Reuters employs more than 50,000 people in 93 countries. Thomson Reuters shares are listed on the New York Stock Exchange (NYSE: TRI); Toronto Stock Exchange (TSX: TRI); London Stock Exchange (LSE: TRIL); and Nasdaq (NASDAQ: TRIN). For more information, go to www.thomsonreuters.com.

(Minimum Requirements to listen to broadcast): The Windows Media Player software, downloadable free from http://www.microsoft.com/windows/default.mspx and at least a 28.8Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webcastsupport@tfprn.com.)

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